linux-zen-desktop/tools/testing/selftests/drivers/net/mlxsw/qos_defprio.sh

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Test for port-default priority. Non-IP packets ingress $swp1 and are
# prioritized according to the default priority specified at the port.
# rx_octets_prio_* counters are used to verify the prioritization.
#
# +----------------------------------+
# | H1 |
# | + $h1 |
# | | 192.0.2.1/28 |
# +----|-----------------------------+
# |
# +----|-----------------------------+
# | SW | |
# | + $swp1 |
# | 192.0.2.2/28 |
# | dcb app default-prio <prio> |
# +----------------------------------+
ALL_TESTS="
ping_ipv4
test_defprio
"
lib_dir=$(dirname $0)/../../../net/forwarding
NUM_NETIFS=2
: ${HIT_TIMEOUT:=1000} # ms
source $lib_dir/lib.sh
h1_create()
{
simple_if_init $h1 192.0.2.1/28
}
h1_destroy()
{
simple_if_fini $h1 192.0.2.1/28
}
switch_create()
{
ip link set dev $swp1 up
ip addr add dev $swp1 192.0.2.2/28
}
switch_destroy()
{
dcb app flush dev $swp1 default-prio
ip addr del dev $swp1 192.0.2.2/28
ip link set dev $swp1 down
}
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
vrf_prepare
h1_create
switch_create
}
cleanup()
{
pre_cleanup
switch_destroy
h1_destroy
vrf_cleanup
}
ping_ipv4()
{
ping_test $h1 192.0.2.2
}
__test_defprio()
{
local prio_install=$1; shift
local prio_observe=$1; shift
local key
local t1
local i
RET=0
dcb app add dev $swp1 default-prio $prio_install
local t0=$(ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
mausezahn -q $h1 -d 100m -c 10 -t arp reply
t1=$(busywait "$HIT_TIMEOUT" until_counter_is ">= $((t0 + 10))" \
ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
check_err $? "Default priority $prio_install/$prio_observe: Expected to capture 10 packets, got $((t1 - t0))."
log_test "Default priority $prio_install/$prio_observe"
dcb app del dev $swp1 default-prio $prio_install
}
test_defprio()
{
local prio
for prio in {0..7}; do
__test_defprio $prio $prio
done
dcb app add dev $swp1 default-prio 3
__test_defprio 0 3
__test_defprio 1 3
__test_defprio 2 3
__test_defprio 4 4
__test_defprio 5 5
__test_defprio 6 6
__test_defprio 7 7
dcb app del dev $swp1 default-prio 3
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS